JEE Main202116 Mar 2021Evening ShiftPhysicsAlternating CurrentActual
For the given circuit, comment on the type of transformer used :
Options
- AAuxilliary transformer
- BAuto transformer
- CStep-up transformer
- DStep down transformer
Correct answer
C. Step-up transformer
Step-by-step solution
V S = P i = 60 0 . 11 = 545 . 45 V P = 220 V S > V P ⇒ Step up transformer